package com.hktf.corelib.utils;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.media.ThumbnailUtils;
import android.os.Build;
import android.util.Size;

import androidx.core.graphics.drawable.RoundedBitmapDrawable;
import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;

public class BitmapUtils {
    public static Bitmap getImageThumbnail(String imagePath, int width,
                                           int height) {
        Bitmap bitmap = null;
        try {
            bitmap = null;
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;
            // 获取这个图片的宽和高，注意此处的bitmap为null
            bitmap = BitmapFactory.decodeFile(imagePath, options);
            options.inJustDecodeBounds = false; // 设为 false
            // 计算缩放比
            int h = options.outHeight;
            int w = options.outWidth;
            int beWidth = w / width;
            int beHeight = h / height;
            int be = 1;
            if (beWidth < beHeight) {
                be = beWidth;
            } else {
                be = beHeight;
            }
            if (be <= 0) {
                be = 1;
            }
            options.inSampleSize = be;
            // 重新读入图片，读取缩放后的bitmap，注意这次要把options.inJustDecodeBounds 设为 false
            bitmap = BitmapFactory.decodeFile(imagePath, options);
            // 利用ThumbnailUtils来创建缩略图，这里要指定要缩放哪个Bitmap对象
            bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height,
                    ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return bitmap;
    }

    /**
     * 计算bitmap的大小
     *
     * @param bitmap
     * @return
     */
    @SuppressLint("NewApi")
    public static int getBitmapSize(Bitmap bitmap) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { // API 19
            return bitmap.getAllocationByteCount();
        }
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {// API
            // 12
            return bitmap.getByteCount();
        }
        return bitmap.getRowBytes() * bitmap.getHeight(); // earlier version
    }

    public static Bitmap comp(Bitmap image) {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        image.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        if (baos.toByteArray().length / 1024 > 1024) {// 判断如果图片大于1M,进行压缩避免在生成图片（BitmapFactory.decodeStream）时溢出
            baos.reset();// 重置baos即清空baos
            image.compress(Bitmap.CompressFormat.JPEG, 50, baos);// 这里压缩50%，把压缩后的数据存放到bays中
        }
        ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());
        BitmapFactory.Options newOpts = new BitmapFactory.Options();
        // 开始读入图片，此时把options.inJustDecodeBounds 设回true了
        newOpts.inJustDecodeBounds = true;
        Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);
        newOpts.inJustDecodeBounds = false;
        int w = newOpts.outWidth;
        int h = newOpts.outHeight;
        // 现在主流手机比较多是800*480分辨率，所以高和宽我们设置为
        float hh = 800f;// 这里设置高度为800f
        float ww = 480f;// 这里设置宽度为480f
        // 缩放比。由于是固定比例缩放，只用高或者宽其中一个数据进行计算即可
        int be = 1;// be=1表示不缩放
        if (w > h && w > ww) {// 如果宽度大的话根据宽度固定大小缩放
            be = (int) (newOpts.outWidth / ww);
        } else if (w < h && h > hh) {// 如果高度高的话根据宽度固定大小缩放
            be = (int) (newOpts.outHeight / hh);
        }
        if (be <= 0)
            be = 1;
        newOpts.inSampleSize = be;// 设置缩放比例
        // 重新读入图片，注意此时已经把options.inJustDecodeBounds 设回false了
        isBm = new ByteArrayInputStream(baos.toByteArray());
        bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);
        return compressImage(bitmap);// 压缩好比例大小后再进行质量压缩
    }

    public static Bitmap compressImage(Bitmap image) {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        image.compress(Bitmap.CompressFormat.JPEG, 100, baos);// 质量压缩方法，这里100表示不压缩，把压缩后的数据存放到baos中
        int options = 100;
        while (baos.toByteArray().length / 1024 > 100) { // 循环判断如果压缩后图片是否大于100kb,大于继续压缩
            baos.reset();// 重置baos即清空baos
            image.compress(Bitmap.CompressFormat.JPEG, options, baos);// 这里压缩options%，把压缩后的数据存放到baos中
            options -= 10;// 每次都减少10
        }
        ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());// 把压缩后的数据baos存放到ByteArrayInputStream中
        Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, null);// 把ByteArrayInputStream数据生成图片
        bitmap = ThumbnailUtils.extractThumbnail(bitmap, 100, 100);// 固定图片大小
        return bitmap;
    }

    public static Bitmap getImageThumbnail(Context context, int id, int width, int height) {
        Bitmap bitmap = null;
        try {
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;
            bitmap = BitmapFactory.decodeResource(context.getResources(), id, options);
            options.inJustDecodeBounds = false; // 设为 false
            // 计算缩放比
            int h = options.outHeight;
            int w = options.outWidth;
            int beWidth = w / width;
            int beHeight = h / height;
            int be = 1;
            if (beWidth < beHeight) {
                be = beWidth;
            } else {
                be = beHeight;
            }
            if (be <= 0) {
                be = 1;
            }
            options.inSampleSize = be;
            // 重新读入图片，读取缩放后的bitmap，注意这次要把options.inJustDecodeBounds 设为 false
            bitmap = BitmapFactory.decodeResource(context.getResources(), id, options);
            // 利用ThumbnailUtils来创建缩略图，这里要指定要缩放哪个Bitmap对象
            bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height, ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return bitmap;

    }


    /**
     * 生成视频的缩略图
     *
     * @param imagePath
     * @param width
     * @param height
     * @return
     */
    public static Bitmap getVideoThumbnail(String imagePath, int width, int height) {
        Bitmap bm = null;
        try {
            File file = new File(imagePath);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                bm = ThumbnailUtils.createVideoThumbnail(file, new Size(width, height), null);
            } else {
                bm = ThumbnailUtils.createVideoThumbnail(imagePath, 0);
            }
            int h = bm.getHeight();
            int w = bm.getWidth();
            int beWidth = w / width;
            int beHeight = h / height;

            int newWidth = width;
            int newHeight = height;

            bm = ThumbnailUtils.extractThumbnail(bm, width, height,
                    ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return bm;
    }

    public static Drawable getRoundedDrawable(Drawable drawable, int cornerRadius) {
        Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();

        RoundedBitmapDrawable circularBitmapDrawable =
                RoundedBitmapDrawableFactory.
                        create(CommUtils.getContext().getResources(), bitmap);
        circularBitmapDrawable.setCornerRadius(UIUtils.dip2px(16));
        return circularBitmapDrawable;
    }



}
